diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index 449d0882b488..4544847cf81e 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Test cases for printf facility.
+ * Test cases for bitmap API.
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt